42105335 has 4 divisors (see below), whose sum is σ = 50526408. Its totient is φ = 33684264.

The previous prime is 42105331. The next prime is 42105391. The reversal of 42105335 is 53350124.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42105335 - 2² = 42105331 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42105335.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42105331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4210529 + ... + 4210538.

It is an arithmetic number, because the mean of its divisors is an integer number (12631602).

Almost surely, 2^42105335 is an apocalyptic number.

42105335 is a deficient number, since it is larger than the sum of its proper divisors (8421073).

42105335 is an equidigital number, since it uses as much as digits as its factorization.

42105335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8421072.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 42105335 is about 6488.8623810341. The cubic root of 42105335 is about 347.8930149618.

Adding to 42105335 its reverse (53350124), we get a palindrome (95455459).

The spelling of 42105335 in words is "forty-two million, one hundred five thousand, three hundred thirty-five".